#include<stdio.h>
int main()
{
	float bike=0, walk=0;
	int meter=0;
	scanf("%d",&meter);
	bike=meter/3.0+50;
	walk=meter/1.2;
	if(bike>walk)
	printf("Walk");
	if(walk>bike)
	printf("Bike");
	if(walk==bike)
	printf("All");
	return 0;
}
